[单选]
You are creating a Windows Forms application by using the .NET Framework 3.5. You create a new form in your application.You add a PrintDocument control named pntDoc to the form.To support the print functionality， you write the following code segment in the application （Line numbers are included for reference only.）

You need to ensure that the following requirements are met：
（1）When the user has no print access， font and file stream initializations are not executed and the print operation is cancelled
（2）Print operations are logged whether or not the user has print access
What should you do？（）

A . A
B . B
C . C
D . D

由于汽油机外特性是节气门全开时主要性能指标（功率、扭矩、燃油消耗率、排温等）随转速的变化关系，所以，外特性表示了发动机的最高使用性能。存在（）情况的安全保护装置，不准继续使用。无产品合格证和铭牌的。性能不符合要求的。逾期不检查、不校验的。爆破片已超过使用期限的。企业对于那些价值贡献小但需求差异明显的客户，应该采用的营销策略是（）。大众营销策略。关系营销策略。利基市场策略。目标市场策略。采煤机必须安装内、外喷雾装置。截煤时必须喷雾降尘，内喷雾压力不得小于（）MPa，外喷雾压力不得小于1.5Mpa。 1。 2。 3。试述油井结蜡的危害。

You are creating a Windows Forms application by using the .NET Framework 3.5. You create a new form in your application.You add a PrintDocument control named pntDoc to the form.To support the print functionality， you write the following code segment in the application （Line numbers are included for reference only.）

You need to ensure that the following requirements are met：
（1）When the user has no print access， font and file stream initializations are not executed and the print operation is cancelled
（2）Print operations are logged whether or not the user has print access
What should you do？（）

参考答案：

● 参考解析

本题暂无解析

当前位置：MCPD(70-505)题库

相关题目: